working on functions view

lib/features/devices/model/functions.dart

@@ -0,0 +1,58 @@
+class FunctionsEntity {
+  final String productUuid;
+  final String productType;
+  final List<DeviceFunction> functions;
+
+  FunctionsEntity({
+    required this.productUuid,
+    required this.productType,
+    required this.functions,
+  });
+
+  factory FunctionsEntity.fromJson(Map<String, dynamic> json) =>
+      FunctionsEntity(
+        productUuid: json["productUuid"],
+        productType: json["productType"],
+        functions: List<DeviceFunction>.from(
+          json["functions"].map((x) => DeviceFunction.fromJson(x)),
+        ),
+      );
+
+  Map<String, dynamic> toJson() => {
+        "productUuid": productUuid,
+        "productType": productType,
+        "functions": List<dynamic>.from(functions.map((x) => x.toJson())),
+      };
+}
+
+class DeviceFunction {
+  final String code;
+  final String values;
+  final String dataType;
+
+  DeviceFunction({
+    required this.code,
+    required this.values,
+    required this.dataType,
+  });
+
+  factory DeviceFunction.fromJson(Map<String, dynamic> json) => DeviceFunction(
+        code: _formatCode(json["code"]),
+        values: json["values"],
+        dataType: json["dataType"],
+      );
+
+  Map<String, dynamic> toJson() => {
+        "code": code,
+        "values": values,
+        "dataType": dataType,
+      };
+
+  static String _formatCode(String originalCode) {
+    return originalCode
+        .replaceAll('_', ' ')
+        .split(' ')
+        .map((word) => word[0].toUpperCase() + word.substring(1))
+        .join(' ');
+  }
+}